Parkinson’s disease is a disorder of the central nervous system that gets worse over time with no cure. Because it targets the nervous system, it impairs movement. ‌Rigidity is one of the leading ...

Tight and rigid muscles are often the result of injury. Sometimes, muscle tightness and rigidity can occur with other symptoms, such as muscle pain and spasms, or reduced mobility. Mild muscle ...

Work out enough and you’ll soon encounter muscle tightness, but what causes it and can it be treated or avoided? When you purchase through links on our site, we may earn an affiliate commission.

You’ve tried everything. Stretching routines, massage therapy, foam rolling, hot baths, and still, that nagging tightness in your muscles persists. Before you book another bodywork session or invest ...

Difficulty standing up after sitting is usually caused by muscle stiffness, joint issues, or poor circulation. However, if it ...

Stiff person syndrome (also known as SPS, Moersch-Woltman syndrome, and stiff man syndrome) is a very rare condition that can cause your muscles to become rigid or spasm. This is a progressive ...

Skeletal muscle channelopathies and myotonic disorders constitute a heterogeneous group of neuromuscular conditions caused by mutations that impair the function of ion channels, including sodium and ...

Anyone who has had tight muscles or a muscle spasm knows how uncomfortable and limiting these experiences can be. But when you have spasticity, which causes tight muscles and uncontrollable ...

Feeling stiffer in winter? Know how cold weather impacts joints and muscles, causes pain and stiffness, and discover simple ...

Muscle tightness is a feeling you’ll know all too well if you’ve pushed yourself that little bit harder while training. Some consider it to be the hallmark of a full-blooded workout while to others, ...